Yellowstone is a beautiful place but sometimes people forget that it is the wild. There are wild animals living their lives there. This insane video shows what appears to be hundred of bison storming the street in Yellowstone as cars watch helplessly.
Trying to get closer to bison is dangerous for many reasons. It's obvious these are large animals, but they're also wildly unpredictable. Yellowstone tourists learned this lesson the hard way a few weeks ago.